package com.softa.shiro.realm;

import com.softa.dao.model.SysLog;
import com.softa.dao.model.SysUser;
import com.softa.service.system.LogService;
import com.softa.service.system.UserService;
import com.softa.utils.DateUtils;
import org.apache.shiro.authc.*;
import org.apache.shiro.authz.AuthorizationInfo;
import org.apache.shiro.authz.SimpleAuthorizationInfo;
import org.apache.shiro.realm.AuthorizingRealm;
import org.apache.shiro.subject.PrincipalCollection;
import org.apache.shiro.util.ByteSource;

import javax.annotation.Resource;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.Date;
import java.util.Set;

/**
 *  顾客前台登陆认证授权
 * Created by yangl on 2017/8/6.
 */
public class CustomRealm extends AuthorizingRealm {

    @Resource
    private UserService userService;

    @Resource
    private LogService logService;

    // 授权
    @Override
    protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principals) {
//        String username = (String)principals.getPrimaryPrincipal();

        SimpleAuthorizationInfo authorizationInfo = new SimpleAuthorizationInfo();
//        Set<String> roleSet=userService.findRoles(username);
//        authorizationInfo.setRoles(roleSet);
//        authorizationInfo.setStringPermissions(userService.findPermissions(username));
        return authorizationInfo;
    }
    // 认证
    @Override
    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken token) throws AuthenticationException {

        String username = (String)token.getPrincipal();

        SysUser user = userService.findByUsername(username);

        if(user == null) {
            throw new UnknownAccountException();//没找到帐号
        }

        if(Boolean.TRUE.equals(user.getLocked())) {
            throw new LockedAccountException(); //帐号锁定
        }

        //交给AuthenticatingRealm使用CredentialsMatcher进行密码匹配，如果觉得人家的不好可以自定义实现
        SimpleAuthenticationInfo authenticationInfo = new SimpleAuthenticationInfo(
                user.getUsername(), //用户名
                user.getPassword(), //密码
                ByteSource.Util.bytes(user.getUsername() + user.getSalt()),//salt=username+salt
                getName()  //realm name
        );

        /**日志记录 */
        SysLog log = new SysLog();
        log.setOpertype("顾客登录");
        String createip= null;
        try {
            InetAddress host = InetAddress.getLocalHost();
            createip = host.getHostAddress();
            log.setContent(username+"登录");
        } catch (UnknownHostException e) {
            e.printStackTrace();
        }
        log.setCreateip(createip);
        log.setCreatetime(DateUtils.getyyyyMMddHHmmsssplit(new Date()));
        log.setType(1);
        logService.saveLog(log);

        return authenticationInfo;
    }

    @Override
    public void clearCachedAuthorizationInfo(PrincipalCollection principals) {
        super.clearCachedAuthorizationInfo(principals);
    }

    @Override
    public void clearCachedAuthenticationInfo(PrincipalCollection principals) {
        super.clearCachedAuthenticationInfo(principals);
    }

    @Override
    public void clearCache(PrincipalCollection principals) {
        super.clearCache(principals);
    }

    public void clearAllCachedAuthorizationInfo() {
        getAuthorizationCache().clear();
    }

    public void clearAllCachedAuthenticationInfo() {
        getAuthenticationCache().clear();
    }

    public void clearAllCache() {
        clearAllCachedAuthenticationInfo();
        clearAllCachedAuthorizationInfo();
    }
}
